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Well, it depends on the offset, and if you can live with tires sticking out a bit. I'm sure if the offset is okay, you could do the 8.5's, but they may stick out a bit. I'm not sure what kind of clearance I have on the inside of my 7.5's. I know one guy who has a full show accord with 20" iforged wheels 8" up front and 10" out back, but he's got huge fender flares molded in. It's a sick car, turbo, N20 and custom everthing, but a show car in every sense. I don't think he ever drives on the 20's, just puts them on for shows. Have fun driving around on 20" wheels.